Gut-and-sleep research is growing, according to a publication map
An analysis of research articles found rising interest in gut microbes and sleep disorders. Countries differed in publication and citation rankings; the study did not test whether changing gut microbes improves sleep.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
This study mapped the literature on gut microbes and sleep disorders rather than examining a patient treatment. Publication output increased, with China leading article production and the United States leading citations. These findings describe research activity and attention; they do not establish whether gut microbes cause sleep problems or whether any microbiome-focused intervention improves sleep.
The analysis used a single publication database, and the abstract provides no total article count or assessment of clinical evidence quality. Publication and citation rankings cannot establish treatment effectiveness.
What the map measured
Publication output rose annually, particularly after 2022. The researchers also examined who collaborated and which topics appeared together. These measures show how a research field develops, rather than how much a person's sleep changed.
Attention is not a clinical result
The map identified obstructive sleep apnea as a prominent research direction and fecal microbiota transplantation as a current topic of interest. Their visibility in publications does not show that an intervention is effective, appropriate or supported by strong clinical evidence.
The original publication
Decoding the gut-sleep Nexus: a bibliometric mapping of gut microbiota and sleep disorders.
Xu D, Lu Z, Li Q et al.
Front Microbiol · 2025
- PubMed ID
- 40529581
- Record checked
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